TDA8192 Datasheet, PDF (1/5 Pages) STMicroelectronics – MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV

TDA8192
MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV
. _{A 2-STAGE GAIN CONTROLLED AMPLIFIER,}
. ^{PROVIDING COMPLETE IF GAIN ;}
(AM SECTION)
A PEAK DETECTOR AND INTEGRATION
. WHICH PROVIDES AGC-VOLTAGE ;
(AM SECTION)
A 6-STAGE LIMITING AMPLIFIER FOL-
LOWED BY A SYNCHRONOUS DEMODULA-
TOR AND DEEMPHASIS NETWORK ;
(FM SECTION)
. _{AN AUDIO PREAMPLIFIER}
. _{A CIRCUIT PROVIDING AM/FM SWITCHING}
AND MUTE FACILITIES
. AN EXTERNAL AUDIO INPUT CIRCUIT WITH
SWITCHING FACILITIES TO DELIVER
EITHER THE DEMODULATED IF, OR THE
EXTERNAL AUDIO SIGNAL AT THE OUTPUT
. FULLY COMPATIBLE WITH THE SCART
EUROPEAN NORM EN50 049
A DC CONTROLLED VOLUME CIRCUIT
DIP20
(Plastic Package)
ORDER CODE : TDA8192
DESCRIPTION
The demodulated IF signal is always available at a
low impedance output.
PIN CONNECTIONS
IF/AM INPUT
1
AMPLIFIED AGC (BYPASS)
2
1st STAGE OUTPUT
3
AM/FM SWITCH
4
2nd STAGE INPUT
5
2nd STAGE OUTPUT
6
AGC BYPASS
7
REFERENCE VOLTAGE (+6V)
8
VOLUME CONTROL INPUT
9
AUDIO OUTPUT (0 to 1 V _RMS)
10
20
GND
19
FM INPUT
18
FM INPUT (BYPASS)
17
5.5MHz TUNED CIRCUIT
16
DEEMPHASIS CAPACITOR
15
MUTE SWITCH
14
SCART AUDIO OUTPUT
13
SCART SWITCH
12
SCART AUDIO INPUT
11
POWER SUPPLY (+12V)
October 1993
1/5